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Alen - BreatheSmart FLEX HEPA Air Purifier +HEPA-Pure

Experience Alen’s world-class True HEPA (H13) air cleaning performance at an incredible value. The FLEX quietly purifies up to 700 SqFt of air every 30 minutes, removing 99.99% of airborne dust, allergens, and other contaminants down to 0.1 microns. As a SleepScore Labs Validated product, the purifier helped people in studies by SleepScore Labs studies feel they fell asleep faster and woke up refreshed. And everyone loves its FLEXible customization options.

Quick Details

  • Sleep Superbly– Dim or darken lights at bedtime with one touch for an ideal sleep environment
  • Tailored to You- Antimicrobial True HEPA (H13) filter options to target chemicals (VOCs), smoke, and odors
  • Whisper Quiet- Tuned to produce soothing pink noise for enhanced sleep
  • Breathe Beautifully- Accent your décor with a diverse selection of designer panel options
  • Guaranteed Forever- Lifetime peace of mind from the industry’s best warranty

Product Features

  • Filter life indicator 
  • Power/Sleep Mode 
  • 4-speed fan 
  • Lock
  • Handle for easy moving 
  • Energy Star Certified 
  • CARB Compliant 

Medical-Grade Protection

Long-lasting True HEPA (H13) filters remove 99.99% of airborne contaminants down to 0.1 microns, including allergens and aerosolized viruses. Alen’s medical-grade filtration is highly effective thanks to powerful yet quiet airflow, ensuring pure air for your entire room. As an added safeguard, Alen’s proprietary antimicrobial treatment kills mold and bacteria.

Lifetime Peace of Mind

When you purchase an Alen air purifier, Alen proudly supports it with the industry’s first and only lifetime warranty. If anything goes wrong, Alen's in-house experts will help you solve the problem. If they can’t, Alen will happily ship you a free replacement—fast!

Discover Better Rest

SleepScore studies showed improvements in sleep and perceived reduction in allergy symptoms when using the air purifier. FLEX is incredibly quiet and perfectly tuned to generate soothing pink noise. And at bedtime, display lighting darkens with one touch.


  • Coverage Area: Up to 700 sq. ft. (74.32 m2) | Cleans all air in room every 30 minutes @ highest setting 
  • Filtration rate: Removes 99.99% of particles greater than 0.1 microns 
  • CFM (airflow in Cubic Feet per Minute): Speed 1: 53 CFM; Speed 2: 135 CFM; Speed 3: 147 CFM; Turbo: 187 CFM 
  • CADR: 225
  • Noise levels: Speed 1: 39 dB (whisper); Speed 2: 42 dB (light rainfall); Speed 3: 49 dB (heavy rainfall); Turbo: 55 dB (box fan, medium) 
  • Power consumption: 0.8 to 56 watts
  • Power supply: 120 AV, 60HZ (2 Prong Power Cord) 
  • Filter life: 12 months | @ Recommended 24hr/day operation 
  • Size: 25" x 15" x 8.5" 
  • Weight: 15 lbs 

Package Contents

  • BreatheSmart FLEX air purifier
  • HEPA-Pure filter
  • Designer panel (optional)
  • Quick start guide
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